/* ============================================================
   TropiCanna Water — Static Site Styles
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --navy:       #0f172a;
  --navy-mid:   #1e293b;
  --white:      #ffffff;
  --off-white:  #f8fafc;
  --gray-light: #f1f5f9;
  --gray-mid:   #94a3b8;
  --gray-dark:  #475569;
  --gold:       #c79a3e;
  --gold-light: #e4b55a;
  --border:     #e2e8f0;
  --radius:     14px;
  --transition: 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

html, body {
  height: 100%;
  overflow: hidden;
  font-family: 'Inter', 'Montserrat', sans-serif;
  background: var(--white);
  color: var(--navy);
  -webkit-font-smoothing: antialiased;
}

/* ============================================================
   APP SHELL — full-screen panel container
   ============================================================ */

.app {
  position: relative;
  width: 100%;
  height: 100dvh;
  overflow: hidden;
}

/* ============================================================
   PANELS
   ============================================================ */

.panel {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition);
  will-change: transform;
  overflow: hidden;
}

.panel.active {
  transform: translateX(0);
}

.panel.exit-left {
  transform: translateX(-100%);
}

.panel--light {
  background: var(--white);
}

.panel--gray {
  background: var(--gray-light);
}

/* ============================================================
   HOME PANEL
   ============================================================ */

.panel--home {
  background: var(--navy);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10, 15, 30, 0.55) 0%,
    rgba(10, 15, 30, 0.72) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 2rem;
  text-align: center;
  color: var(--white);
}

.logo {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2.2rem, 7vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 24px rgba(0,0,0,0.4);
  margin-bottom: 1rem;
  line-height: 1.05;
}

.tagline {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 300;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.85);
  margin-bottom: 3.5rem;
}

.main-nav {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 480px) {
  .main-nav {
    flex-direction: row;
    gap: 2.5rem;
  }
}

.nav-btn {
  background: none;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.85);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.5rem 0;
  cursor: pointer;
  transition: color 0.25s, border-color 0.25s, transform 0.2s;
}

.nav-btn:hover {
  color: var(--white);
  border-color: var(--gold-light);
  transform: translateY(-2px);
}

/* ============================================================
   INNER PANEL LAYOUT
   ============================================================ */

.panel-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
  padding: 1.5rem 1.5rem 4rem;
}

@media (min-width: 640px) {
  .panel-inner {
    padding: 2rem 2.5rem 5rem;
  }
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: none;
  color: var(--gray-dark);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.5rem 0;
  margin-bottom: 2.5rem;
  transition: color 0.2s, transform 0.2s;
}

.back-btn:hover {
  color: var(--navy);
  transform: translateX(-3px);
}

.back-btn--inline {
  display: inline-block;
  margin-top: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.25rem;
  font-size: 0.85rem;
}

.content-block {
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}

.content-block--wide {
  max-width: 1100px;
}

.content-block--narrow {
  max-width: 560px;
}

/* ============================================================
   SECTION TITLES
   ============================================================ */

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin-bottom: 2rem;
  line-height: 1.1;
}

.section-title--center {
  text-align: center;
}

/* ============================================================
   ABOUT PANEL
   ============================================================ */

/* ============================================================
   DARK PANEL
   ============================================================ */

.panel--dark { background: var(--navy); }

/* Dark-theme back button variants */
.back-btn--light {
  color: rgba(255,255,255,0.5);
}
.back-btn--light:hover { color: var(--white); }

.back-btn--hero {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  color: rgba(255,255,255,0.65);
  z-index: 2;
  margin-bottom: 0;
}
.back-btn--hero:hover { color: var(--white); transform: translateX(-3px); }

/* Eyebrow label */
.panel-eyebrow {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 0.85rem;
}

.section-title--light { color: var(--white); }

/* ============================================================
   ABOUT PANEL
   ============================================================ */

.body-text {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.body-text p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--gray-dark);
}

.body-text--light p { color: rgba(255,255,255,0.62); }

.about-tagline {
  font-size: 1.1rem !important;
  font-style: italic;
  color: var(--gold-light) !important;
  font-weight: 500;
}

/* Balance card */
.balance-card {
  position: relative;
  background: var(--navy-mid);
  border: 1px solid rgba(255,255,255,0.07);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: 2.2rem 2.5rem;
  overflow: hidden;
  margin-bottom: 2.5rem;
}

.mission-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 0.9rem;
}

.balance-text {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1rem, 2.4vw, 1.35rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.55;
  margin-bottom: 0.85rem;
  position: relative;
  z-index: 1;
}

.balance-sub {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.75;
  position: relative;
  z-index: 1;
}

.mission-glow {
  position: absolute;
  top: -40px; right: -40px;
  width: 200px; height: 200px;
  background: rgba(199,154,62,0.1);
  border-radius: 50%;
  filter: blur(50px);
  pointer-events: none;
}

/* Feature grid */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 640px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
}

.feature-card {
  background: var(--navy-mid);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(0,0,0,0.35);
}

.feature-icon {
  font-size: 1.3rem;
  color: var(--gold);
  opacity: 0.8;
  margin-bottom: 0.8rem;
}

.feature-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.6rem;
}

.feature-desc {
  font-size: 0.87rem;
  color: rgba(255,255,255,0.52);
  line-height: 1.72;
}

/* Testing section */
.testing-section {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2.5rem;
  margin-top: 0.5rem;
}

.testing-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.15rem, 2.8vw, 1.6rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

/* ============================================================
   PRODUCTS PANEL — Typographic Header
   ============================================================ */

.prod-header {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 2.5rem;
}

.prod-header-rule {
  width: 48px;
  height: 2px;
  background: var(--gold);
  margin: 1rem 0 1.5rem;
}

.prod-header-sub {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  max-width: 560px;
}

.prod-header-tagline {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.8;
}

.prod-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

@media (min-width: 540px) {
  .prod-cards { grid-template-columns: 1fr 1fr; }
}

.prod-card {
  background: var(--navy-mid);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.07);
  transition: transform 0.35s, box-shadow 0.35s;
}

.prod-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 24px 56px rgba(0,0,0,0.45);
}

.prod-card-img-wrap {
  width: 100%;
  height: 220px;
  overflow: hidden;
}

@media (min-width: 640px) {
  .prod-card-img-wrap { height: 260px; }
}

.prod-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  display: block;
  transition: transform 0.5s ease;
}

.prod-card:hover .prod-card-img { transform: scale(1.05); }

.prod-card-img--cool {
  filter: saturate(0.75) hue-rotate(15deg) brightness(0.95);
}

.prod-card-body {
  padding: 1.5rem 1.75rem 2rem;
}

.prod-card-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 0.7rem;
}

.prod-card-desc {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.75;
}

/* CTA */
.prod-cta { text-align: center; }

.prod-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: transparent;
  color: var(--white);
  border: 1.5px solid var(--gold);
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.9rem 2.2rem;
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: background 0.2s, color 0.2s, transform 0.15s;
}

.prod-cta-btn:hover {
  background: var(--gold);
  color: var(--navy);
  transform: translateY(-2px);
}

/* Card click hint */
.prod-card {
  cursor: pointer;
}

.prod-card-hint {
  text-align: center;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  padding: 0.6rem 0 0.9rem;
  transition: color 0.2s;
}

.prod-card:hover .prod-card-hint {
  color: var(--gold);
}

/* ============================================================
   PRODUCT MODAL
   ============================================================ */

.prod-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 15, 28, 0.85);
  backdrop-filter: blur(6px);
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.prod-modal.is-open {
  display: flex;
}

.prod-modal-box {
  background: var(--navy-mid);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  max-width: 860px;
  width: 100%;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: row;
  max-height: 90vh;
  animation: modalIn 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.94) translateY(12px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.prod-modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: rgba(0,0,0,0.4);
  border: none;
  color: var(--white);
  font-size: 1.3rem;
  line-height: 1;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.prod-modal-img {
  width: 45%;
  flex-shrink: 0;
  object-fit: cover;
  object-position: center;
  display: block;
  min-height: 420px;
}

.prod-modal-body {
  flex: 1;
  padding: 2.5rem 2rem 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow-y: auto;
}

.prod-modal-desc {
  font-size: 0.97rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
  margin-top: 0.75rem;
}

@media (max-width: 600px) {
  .prod-modal-box {
    flex-direction: column;
    max-height: 92vh;
    overflow-y: auto;
  }
  .prod-modal-img {
    width: 100%;
    min-height: 260px;
    max-height: 300px;
  }
  .prod-modal-body {
    padding: 1.5rem;
  }
}

/* ============================================================
   CONTACT PANEL
   ============================================================ */

.contact-header {
  margin-bottom: 2.5rem;
}

.contact-sub {
  font-size: 1.05rem;
  color: var(--gray-dark);
  margin-top: 0.5rem;
  line-height: 1.6;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 0.45rem;
  letter-spacing: 0.01em;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  color: var(--navy);
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
  appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--gray-mid);
}

.form-input:focus,
.form-textarea:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.08);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

.form-error {
  color: #dc2626;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.submit-btn {
  width: 100%;
  padding: 1rem;
  background: var(--navy);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.submit-btn:hover:not(:disabled) {
  background: var(--navy-mid);
  transform: translateY(-1px);
}

.submit-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.form-success {
  background: #f0fdf4;
  border: 1.5px solid #bbf7d0;
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  text-align: center;
}

.form-success h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.75rem;
}

.form-success p {
  color: var(--gray-dark);
  line-height: 1.65;
  font-size: 0.95rem;
}

.contact-details {
  display: flex;
  gap: 2.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.contact-detail-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.contact-detail-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-mid);
  margin-bottom: 0.2rem;
}

.contact-detail-value {
  font-size: 0.95rem;
  color: var(--navy);
  text-decoration: none;
  transition: color 0.2s;
}

.contact-detail-value:hover {
  color: var(--gold);
}

.contact-detail-person {
  font-size: 0.82rem;
  color: var(--gray-mid);
}